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Sedimentary nutrients in the mainstream and its five tributary bays of a large subtropical reservoir (Three Gorges Reservoir, China)
Zhang, Min1,2; Xu, Yaoyang1; Shao, Meiling1; Cai, Qinghua1; Cai, QH (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, 7 Donghu S Rd, Wuhan 430072, Hubei, Peoples R China.
2012-12-19
Source PublicationQUATERNARY INTERNATIONAL
ISSN1040-6182
Volume282Pages:171-177
AbstractIn order to analyze the distribution pattern of the sediment nitrogen and phosphorus of the Three Gorges Reservoir (TGR), the mainstream of TGR and five tributary bays in Hubei province were observed from October 2005 to July 2006. The spatial and seasonal dynamics of the sediment total nitrogen (TNsed) and total phosphorus (TPsed), the relationship between the mainstream and tributary, and the sediment nutrients' effect to the surface water were analyzed. The results showed that, concentrations of TNsed ranged from 0.27 to 2.04 mg/g, and TPsed fluctuated between 0.17 and 1.21 mg/g. Both of the maximum of TNsed and TPsed appeared in the Xiangxi Bay (the longest bays studied), 1.09 and 0.90 mg/g respectively. No significant spatial differences were found among different sites in other bays (p > 0.05). For seasonal dynamics of TPsed, only the difference in the Yuanshui Bay between spring and summer was significant (p < 0.05). For TNsed, significant differences existed among different seasons in most bays, especially between autumn and other seasons. Cluster analysis based on the surface water nutrients and sediment nutrients indicated that the influence range of the mainstream to the surface water ranged from 10.7 to 15.1 km, while the length of the influence range to the sediment was about 5.34 km. Results of the correlation analysis showed that the internal loading in Hubei province of TGR has not caused a significant effect on the surface water in a large spatial scale, although the influence was significant in some shallow regions. (C) 2012 Elsevier Ltd and INQUA. All rights reserved.; In order to analyze the distribution pattern of the sediment nitrogen and phosphorus of the Three Gorges Reservoir (TGR), the mainstream of TGR and five tributary bays in Hubei province were observed from October 2005 to July 2006. The spatial and seasonal dynamics of the sediment total nitrogen (TNsed) and total phosphorus (TPsed), the relationship between the mainstream and tributary, and the sediment nutrients' effect to the surface water were analyzed. The results showed that, concentrations of TNsed ranged from 0.27 to 2.04 mg/g, and TPsed fluctuated between 0.17 and 1.21 mg/g. Both of the maximum of TNsed and TPsed appeared in the Xiangxi Bay (the longest bays studied), 1.09 and 0.90 mg/g respectively. No significant spatial differences were found among different sites in other bays (p > 0.05). For seasonal dynamics of TPsed, only the difference in the Yuanshui Bay between spring and summer was significant (p < 0.05). For TNsed, significant differences existed among different seasons in most bays, especially between autumn and other seasons. Cluster analysis based on the surface water nutrients and sediment nutrients indicated that the influence range of the mainstream to the surface water ranged from 10.7 to 15.1 km, while the length of the influence range to the sediment was about 5.34 km. Results of the correlation analysis showed that the internal loading in Hubei province of TGR has not caused a significant effect on the surface water in a large spatial scale, although the influence was significant in some shallow regions. (C) 2012 Elsevier Ltd and INQUA. All rights reserved.
SubtypeArticle
KeywordPhosphorus Release Xiangxi Bay Lake Nitrogen River Sea Distributions Shallow
Department[Zhang, Min ; Xu, Yaoyang ; Shao, Meiling ; Cai, Qinghua] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China ; [Zhang, Min] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
DOI10.1016/j.quaint.2012.02.054
WOS HeadingsScience & Technology ; Physical Sciences
Funding OrganizationKey Project of Knowledge Innovation Program of CAS [KZCX2-YW-427]; National Natural Science Foundation of China [40671197]; State Key Laboratory FEBL [2008FBZ02]; Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07528-003] ; Key Project of Knowledge Innovation Program of CAS [KZCX2-YW-427]; National Natural Science Foundation of China [40671197]; State Key Laboratory FEBL [2008FBZ02]; Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07528-003] ; Key Project of Knowledge Innovation Program of CAS [KZCX2-YW-427]; National Natural Science Foundation of China [40671197]; State Key Laboratory FEBL [2008FBZ02]; Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07528-003] ; Key Project of Knowledge Innovation Program of CAS [KZCX2-YW-427]; National Natural Science Foundation of China [40671197]; State Key Laboratory FEBL [2008FBZ02]; Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07528-003]
Indexed BySCI
Language英语
WOS Research AreaPhysical Geography ; Geology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000313610000020
WOS KeywordPHOSPHORUS RELEASE ; XIANGXI BAY ; LAKE ; NITROGEN ; RIVER ; SEA ; DISTRIBUTIONS ; SHALLOW
Funding OrganizationKey Project of Knowledge Innovation Program of CAS [KZCX2-YW-427]; National Natural Science Foundation of China [40671197]; State Key Laboratory FEBL [2008FBZ02]; Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07528-003] ; Key Project of Knowledge Innovation Program of CAS [KZCX2-YW-427]; National Natural Science Foundation of China [40671197]; State Key Laboratory FEBL [2008FBZ02]; Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07528-003] ; Key Project of Knowledge Innovation Program of CAS [KZCX2-YW-427]; National Natural Science Foundation of China [40671197]; State Key Laboratory FEBL [2008FBZ02]; Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07528-003] ; Key Project of Knowledge Innovation Program of CAS [KZCX2-YW-427]; National Natural Science Foundation of China [40671197]; State Key Laboratory FEBL [2008FBZ02]; Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07528-003]
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/19298
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorCai, QH (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, 7 Donghu S Rd, Wuhan 430072, Hubei, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Min,Xu, Yaoyang,Shao, Meiling,et al. Sedimentary nutrients in the mainstream and its five tributary bays of a large subtropical reservoir (Three Gorges Reservoir, China)[J]. QUATERNARY INTERNATIONAL,2012,282:171-177.
APA Zhang, Min,Xu, Yaoyang,Shao, Meiling,Cai, Qinghua,&Cai, QH .(2012).Sedimentary nutrients in the mainstream and its five tributary bays of a large subtropical reservoir (Three Gorges Reservoir, China).QUATERNARY INTERNATIONAL,282,171-177.
MLA Zhang, Min,et al."Sedimentary nutrients in the mainstream and its five tributary bays of a large subtropical reservoir (Three Gorges Reservoir, China)".QUATERNARY INTERNATIONAL 282(2012):171-177.
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